CN1411983A - Continuous production equipment of steel-plastics composite pipe whose internal and external surfaces of holed steel skeleton are coated with adhesive - Google Patents
Continuous production equipment of steel-plastics composite pipe whose internal and external surfaces of holed steel skeleton are coated with adhesive Download PDFInfo
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- CN1411983A CN1411983A CN 02127959 CN02127959A CN1411983A CN 1411983 A CN1411983 A CN 1411983A CN 02127959 CN02127959 CN 02127959 CN 02127959 A CN02127959 A CN 02127959A CN 1411983 A CN1411983 A CN 1411983A
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- steel
- steel skeleton
- skeleton
- adhesive
- hole
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 143
- 239000010959 steel Substances 0.000 title claims abstract description 143
- 239000004033 plastic Substances 0.000 title claims abstract description 43
- 229920003023 plastic Polymers 0.000 title claims abstract description 43
- 239000000853 adhesive Substances 0.000 title claims abstract description 36
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 36
- 238000010924 continuous production Methods 0.000 title claims abstract description 22
- 239000002131 composite material Substances 0.000 title claims description 74
- 238000003466 welding Methods 0.000 claims abstract description 77
- 238000004513 sizing Methods 0.000 claims abstract description 76
- 238000001816 cooling Methods 0.000 claims abstract description 21
- 239000011248 coating agent Substances 0.000 claims abstract description 17
- 238000000576 coating method Methods 0.000 claims abstract description 17
- 230000003014 reinforcing effect Effects 0.000 claims description 64
- 229920000642 polymer Polymers 0.000 claims description 57
- 238000007493 shaping process Methods 0.000 claims description 43
- 238000000465 moulding Methods 0.000 claims description 41
- 239000011230 binding agent Substances 0.000 claims description 36
- 238000004026 adhesive bonding Methods 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000002826 coolant Substances 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 4
- 238000005253 cladding Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims description 2
- 230000011218 segmentation Effects 0.000 claims description 2
- 238000010618 wire wrap Methods 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 abstract description 7
- 239000000203 mixture Substances 0.000 abstract description 5
- 238000007765 extrusion coating Methods 0.000 abstract 2
- 239000010410 layer Substances 0.000 description 19
- 229910052751 metal Inorganic materials 0.000 description 15
- 239000002184 metal Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 11
- 150000001875 compounds Chemical class 0.000 description 10
- -1 polyethylene Polymers 0.000 description 10
- 239000012790 adhesive layer Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 229920001577 copolymer Polymers 0.000 description 6
- 239000013047 polymeric layer Substances 0.000 description 6
- 239000004743 Polypropylene Substances 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229920000578 graft copolymer Polymers 0.000 description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000002421 anti-septic effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002905 metal composite material Substances 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The continuous production equipment of steel plastic composition pipe with perforated steel skeleton whose inside and outside surfaces are coated with adhesive includes forming sizing welding mechanism, extrusion combination mechanism and sizing cooling forming mechanism which are arranged in turn, and it is characterized by that before extrusion combination mechanism an adhesive extrusion coating mechanism capable of melt-extruding coating adhesive onto inside surface and outside surface of the cylindrical steel skeleton by means of its bores is added, and said adhesive extrusion coating mechanism has the components of mould cover, hollow core mould, hollow core shaft, forming mould cavity and adhesive flow channel, etc.
Description
Technical field:
The present invention relates to a kind of metallic framework and make to strengthen body with hole, extrude the process units that composite materials forms the plastic composite pipe that metallic framework strengthens at the skeleton surfaces externally and internally, particularly be the producer device of before composite materials is extruded on the surface of pertusate metallic framework, extruding the plastic composite pipe of coated with adhesive layer in advance.
Background technology:
Existing with pertusate metallic framework do enhancing body, on this skeleton, extrude composite polymeric materials and method and apparatus and the corresponding patent that skeleton coats the production technology that forms steel-plastics composite pipe had many reports and open as non-individual body, as BP GB2255,148A92.10.28, Chinese patent application numbers 94104509.9, application number 98119383.8, application 99232026.7 application number 99232162.X and 99232214.6 application numbers, 99114790.1 application numbers 00222720.7 and 00132035.1 application number, 99112221.6 application numbers 01113962.5.
These disclosed technical schemes are that steel plate with hole with holes is through being curled into cartridge type longitudinally and being welded as the cartridge type metallic framework, or helical coil coiled cartridge type and be welded as the cartridge type metallic framework, or spiral twines the broadwise reinforcing bar on the warp-wise reinforcing bar that vertically distributes, through being welded as the cartridge type metallic framework, or vertical distribution warp-wise reinforcing bar is through being welded as the cartridge type metallic framework on the broadwise reinforcing bar periphery that spiral twines, metallic framework is pushed or draws in the compound die head of the polymer that molten plastic runner and forming cavity are arranged or forming cavity mould that is connected with plastic extruder, and the hole that the polymer non-individual body of fusion passes metallic framework coats at the surfaces externally and internally formation ectonexine of metallic framework and with skeleton.Pass through cooling and shaping, just produced the composite metal plastic pipe that metallic framework strengthens the tube wall that is coated with metallic framework.This pipeline promptly has the higher bearing capacity of metallic conduit, because of inside and outside wall with plastics and the hole by metallic framework inside and outside wall is connected as a single entity again, advantages of good anticorrosion performance and pipeline switching performance are arranged, with metallic conduit and pure plastic pipe channel ratio, comprehensive performance is arranged, obtaining on chemical industry, oil transportation, delivery of fuel gas, discharge pressure and Korrosionsmedium widely and use, is a kind of structural preferably compound pipeline complex pipeline.But, the personnel that possess this field professional technique know, the surface of metallic framework such as steel and aluminium is a polar surfaces, and stronger polymer such as the polyethylene of antiseptic power, the interface of polyolefine materials such as polypropylene is an apolar surfaces, at polymer fusion clad metal skeleton, behind cooling and shaping, the interface of metallic framework and polymer non-individual body in fact only is a kind of coating, the interface do not have real affinity promptly bonding form one, should not become real composite construction composite in other words, therefore also influenced the wider application of this pipeline, even there is corrosive medium to go into metallic framework by the metallic framework of the pipe end of cut-out and the contacting permeation of polymer, the corroding metal skeleton, and then wear out the plastic outer layer on the metallic framework and danger that pipeline was lost efficacy.In order to address this problem, people have to adopt with maleic anhydride or acrylic ester grafted polymer and make the polymer non-individual body of clad metal skeleton, or adopt and can make the polymer connector with other polymeric material of metal surface affinity.But or costing an arm and a leg of this binary or ternary polymerization with the material of metal material surface affinity or bonding, or do not reach the serviceability of polypropylene or this material of polyethylene, general engineering can not be taked these schemes with pipe.People have adopted comparatively economic scheme again for this reason, the ethene of the weight ratio with 15 at least 30% and maleic anhydride or acrylic ester grafted polymer and polyethylene or the polypropylene blending modified non-individual body that is used as use, though this scheme can produce affinity and promptly bond with the surface of metallic framework, but because the ratio that adds is still higher, still influence the serviceability temperature and the corrosion resistance of this pipeline, particularly the cost of polymer non-individual body is still higher, and pipeline is lacked competitiveness and can not be enlarged range of application.Particularly caliber is bigger, and the pipeline of thickness of pipe wall is big because of adding the graft polymers amount, and the cost height more can't be competed with other pipeline.Therefore need that more economical feasible scheme solves the metallic framework of metallic skeleton reinforced composite plastic pipe and the interface affinity of polymer non-individual body is an adhesion problem.Only having the patent of application number 99112221.6 to mention in method in the above-mentioned patent utilizes the steel plate that is compounded with organic matter layer earlier to make the method that the tubular metallic framework is extruded the composition polymer non-individual body again, and the method that before extruding the composition polymer non-individual body, earlier the tubular metallic framework is added composite bed or spraying organic matter composite bed, but just how to carry out or do not finish not disclosure with which kind of device and which kind of organic matter composite bed, more do not mention how processing and coated with adhesive, and how it to be removed apply to coat pertusate metallic framework, make the polymer non-individual body by adhesive layer with skeleton bond compound the be play-by-play of composite, particularly Zhuan Zhi report.
Prior art is relevant at steel pipe or aluminum pipe, extrude the coated polymer layer on the steel pipe inside and outside wall behind the coated with adhesive layer again or will form the report of multiple tube after polymer production tube and the adhesive layer bonding, but this multiple tube is different from the multiple tube of pertusate metallic framework and polymer, this with do not have the compound multiple tube of metal tube of hole, though bearing capacity is fine, the pipeline corrosion protection ability is also strong, but the linear expansion coefficient of polymeric layer and metal tube differs from an order of magnitude, when used by thermal environment or used by cold environment, polymeric layer can have significantly than the metallic conduit in intermediate layer and elongates or shortens, the metallic conduit that makes pipe end is exposed and make anticorrosion inefficacy, pipe fitting connects with only depending on outer very thin one layer of polymeric being connected of pipeline in addition, no matter be that hot melt connects or mechanical grip connects, all there is not bonding strength, bearing capacity and pipeline bearing capacity are incoordinate for pipe network, the junction is the weakest and not durable, dangerous, this pipeline is because the linear expansion coefficient difference practical application effect of the varying number level of different materials and bad.
But the steel-plastics composite pipe of pertusate metallic framework, because of the polymer-coated metal skeleton, polymer utilizes the hole on the skeleton to form inside and outside wall, the ectonexine of the polymer on the actual tube wall is connected as a single entity by the hole riveted joint, when this polymer ectonexine that is pinned by the hole of skeleton uses under hot-cool environment, the linear expansion coefficient of linear expansion coefficient and metallic framework is the same order of magnitude, this is the very important performance that this pipeline obtains, this steel-plastics composite pipe does not have the problem of the different linear expansion coefficients of compound polymeric layer of above-mentioned the sort of and the metal tube that does not have hole and metal tube, and this performance is in control widely this kind and uses.Particularly the polymer of skeleton ectonexine is one by the hole riveted joint of skeleton, when pipeline is connected by the pipe fitting hot melt, the intensity of junction is not only to be born by outer layer copolymer, but connect as one by polymer in skin and the hole and internal layer polymer, the intensity of metallic framework participates in addition, this bonding strength is equal to the intensity of this steel-plastics composite pipe fully, high more a lot of than the metal composite pipe pipe network bonding strength that does not have hole, combination property and antiseptic property might as well be a lot, though increase plyability with polymer so the metal composite pipe of two kinds of different structures all exists in metal surface coated with adhesive layer, but the structure difference of pipe, method difference and process units are more inequality, because of the adhesive coated that the hole skeleton is arranged is passed hole and metal surface bonding and coating by binding agent.The metal tube that does not have hole is respectively at the inside and outside wall coated with adhesive layer composition polymer layer of metal tube, and internal layer and outer the separation by metal tube become one.
Summary of the invention:
The objective of the invention is in order to overcome above deficiency, provide a kind of and can solve the metallic framework of metallic skeleton reinforced composite plastic pipe and the interface affinity of polymer non-individual body is that producing of adhesion problem having hole tubular steel skeleton surfaces externally and internally to melt extrude the continuous process units of the steel-plastics composite pipe of coated with adhesive layer.
The object of the present invention is achieved like this:
The present invention comprises the moulding sizing welding mechanism that hole tubular steel skeleton is arranged that is arranged in order at the continuous process units of steel-plastics composite pipe that hole steel skeleton surfaces externally and internally coated with adhesive is arranged, the hole that passes the tubular steel skeleton within it, the polymer of outer surface formation cladding steel skeleton continues the composite structure of extruding of body, the sizing cooling forming mechanism of multiple tube, extruding has at least one to contain the die head of the molten polymer passage of shaping mold cavity and shaping mold cavity connection in the composite structure, with shaping mold cavity coaxial but the hollow-core mould of mount on die head not, before extruding composite structure, have by the tubular steel skeleton hole within it, outer surface melt extrudes the binding agent of coated with adhesive and extrudes coating mechanism, binding agent is extruded to apply in the mechanism die sleeve, one end passes die sleeve and the hollow core shaft that is communicated with hollow-core mould in extruding composite structure, form the gluing shaping mold cavity between mandrel and die sleeve, the bond vitrified agent runner that communicates with the gluing shaping mold cavity is arranged on the die sleeve, extruding has the interior cooling calibration sleeve to the cooling of multiple tube inwall that is communicated with core in the composite structure, cooling medium is in communication with the outside by hollow core shaft.
Above-mentioned binding agent is extruded on the die sleeve that applies mechanism the steel skeleton sizing ring coaxial with mandrel is housed, on the mandrel with steel skeleton sizing ring opposite position on by with steel skeleton sizing ring forms have steel skeleton by and to the warp-wise positioning supports of steel skeleton and to passing the skeleton hole and staying the inside and outside lip-deep bond vitrified agent blade coating of steel skeleton and will stay it to design the gluing shaping membrane chamber of thickness.
Above-mentioned binding agent has the mandrel clamp mechanism before extruding and applying mechanism, and the hollow core shaft other end is fixed on moulding sizing welding mechanism or the mandrel clamp mechanism.
The above-mentioned interior cooling sizing of extruding the multiple tube inwall cooling that is communicated with core in the composite structure is with the passage that vacuumizes that is in communication with the outside.
Above-mentioned moulding sizing welding mechanism and the binding agent of being positioned at extruded and applied the inter-agency heater to the heating of tubular steel skeleton that has along tubular steel skeleton circle distribution, and heating arrangements can be high frequency induction heater or electric heater or ceramic heater or storage heater.
Above-mentioned binding agent is extruded die sleeve and the shaping mold cavity that applies in the mechanism and die sleeve and the shaping mold cavity of extruding in the composite structure is connected as a single entity.
The above-mentioned die head of extruding in the composite structure is two, molten polymer runner in one of them die head and shaping mold cavity extruded polymer and on the tubular steel skeleton, form polymer inner layer by the sizing ring set in the shaping mold cavity, molten polymer runner in another die head and shaping mold cavity extruded polymer and on the tubular steel skeleton, form polymeric outer layer by the sizing ring set in the shaping mold cavity.
Shaping mold cavity in two above-mentioned die heads fuses.
The moulding sizing welding mechanism of above-mentioned tubular steel skeleton comprises frame, the steel plate that makes hole with holes that is loaded on the frame vertically rolls at least one composing type wheel of cylindrical skeleton and/or the former that becomes jacket to form, the shaping sizing tool that at least one group of sizing wheel and/or the calibration sleeve of the cylindrical skeleton shaping sizing that is shaped are formed is with the be welded electric welding machine of tubular steel skeleton of sizing cylindrical skeleton seam.
Organic frame in the moulding sizing welding mechanism of above-mentioned tubular steel skeleton, be positioned at the warp-wise pay off rack of frame front end, be loaded on the mandrel that contains the tubular supporting electrode on the frame, sky is enclosed within the broadwise pay off rack on the mandrel, be subjected to motor-operated wire wrapping disk, sky is enclosed within the motor-operated rotating disk that rotates that is subjected on the mandrel, on the rotating disk be with the mandrel symmetry axis and with tubular supporting electrode opposite position at least one pair of weldering that is connected with power positive cathode respectively wheel is arranged, electric welding machine, tens broadwise reinforcing bar draw drums can be arranged on the rotating disk, several even tens the steel wires intersection contact points of weldering wheel pressure welding simultaneously, the tubular supporting electrode can evenly dispose the warp-wise reinforcing bar of uniform tension in order at circumference, the rotating disk that rotates around the tubular supporting electrode is provided with broadwise reinforcing bar drum and is connected with a pair of weldering wheel that is connected with power positive cathode respectively that has at least that conducting ring reaches and conducting ring is communicated with, broadwise reinforcing bar during the rotating disk rotation on its dish twines the warp-wise reinforcing bar on the tubular supporting electrode by broadwise reinforcing bar guide wheel on the dish and weldering wheel, the source of welding current of connecting by conducting ring is communicated with the weldering wheel, weldering wheel spinning contacts or clads the broadwise reinforcing bar of certain cornerite when contacting with the warp-wise reinforcing bar, docking point produces welding current, and the weldering wheel is exerted pressure to weld or leave certain distance to the contact point of broadwise reinforcing bar and warp-wise reinforcing bar and only depended on the winding power of broadwise reinforcing bar to weld.
The groove that has the warp-wise reinforcing bar to pass through on the above-mentioned mandrel boss circumference of extruding coating mechanism.
Organic frame in the moulding sizing mechanism of above-mentioned tubular steel skeleton, be contained in the motor-operated broadwise rotating disk that contains the broadwise draw drum that on mandrel, twines the broadwise reinforcing bar that is subjected on the frame, promote the cam or the broadwise reinforcing bar spiral forming device of the axially-movable of broadwise reinforcing bar, with the mandrel is that central shaft is along the warp-wise draw drum that circumferentially is contained on the frame, anchor pad, be pressed in the pressure welding wheel on warp-wise reinforcing bar and the broadwise reinforcing bar and the electric welding machine of welding electrode conductor respectively, broadwise steel wire spiral on the helix former twines, the promoted broadwise reinforcing bar of the rotation of being disposed on former cam helically-wound shaped and axially-movable is constantly pushed the broadwise reinforcing bar to warp-wise reinforcing bar pressure welding wheel, when the warp-wise muscles along the regular meridians under the pressure welding wheel contacts with the broadwise reinforcing bar, just producing the pressure type of being welded is pertusate tubular steel skeleton, when the warp-wise reinforcing bar contacts with the broadwise reinforcing bar, owing to the hauling machine of multiple tube process units to the traction of multiple tube and warp-wise reinforcing bar make draw back between the broadwise reinforcing bar certain distance form hole convenient extruding of the lip-deep binding agent of skeleton ectonexine apply and polymer extrude compound.
Above-mentioned extruding on the die sleeve inner periphery that applies mechanism is distributed with the groove that the warp-wise reinforcing bar is passed through.
Organic frame in the above-mentioned moulding sizing welding mechanism, be positioned at the main shaft that screw winding forms the cylindrical skeleton of hole steel plate that is used on the frame, be loaded on the interior roller of the assurance cylindrical skeleton internal diameter on the main shaft, be contained in rotating disk on the frame by bearing, the roller that is connected with rotating disk, be enclosed within the hole pattern steel plate band charging tray that is connected with motor on the main shaft, cooperate volume to press the hole pattern strip to be shaped to the pressure roller of cylindrical skeleton with interior roller, the cam or the block that cooperate the cylindrical skeleton axially-movable that is shaped with roller in the promotion of dial rotation with pressure roller, be contained on the rotating disk cross the electricity ring and with the brush on the frame of being contained in of crossing that the electricity ring cooperates, the electric welding machine that rotates with rotating disk.
Organic frame in the above-mentioned moulding sizing welding mechanism, be contained in the steel band that the nip rolls of at least one pair of drive that the steel plate band that makes hole with holes on the frame pinched forms and push machine, the butt joint of steel plate band spiral is curled be the outer roller of at least three rotations of tubular, electric welding machine along what cylindrical skeleton circumferentially distributed.
Above-mentioned bonding is extruded coating mechanism forward position mandrel moving direction and is disposed with the shut-off mechanism that tubular steel skeleton branch is cut to the tubular steel skeleton of a section fixed length, clamp binding agent and extrude the mandrel clamp mechanism that the mandrel that applies mechanism prevents the mandrel axial float, the tubular steel skeleton of being made up of at least one pair of pressure roller or the crawler belt of drive with the segmentation fixed length pushes into binding agent and extrudes and apply in-house delivery device, the tubular steel skeleton branch of the rotation that shut-off mechanism makes tubular steel skeleton moulding sizing welding mechanism is cut to the tubular steel skeleton of one section one section fixed length, this branch is cut to the unlatching of the tubular steel skeleton of fixed length in the mandrel clamp mechanism, clamp and rotate in the operation process by the sectional mandrel that puts, under the continuous propelling movement of delivery device, cylindrical skeleton is able to continuous non-rotary entering and extrudes coating mechanism and polymer-extruded composite structure, and making skeleton coated with adhesive and coated polymer is steel-plastics composite pipe.
Above-mentioned binding agent is extruded the mandrel that applies in the mechanism and is inserted the interior tubular steel skeleton rotation with spiral forming of tubular steel skeleton, and the afterbody that is supported on the hollow core shaft on the moulding sizing mechanism has the rotary connector that is connected with vacuum pipe with inner cooling medium.
Referring to Fig. 1～Figure 32, moulding sizing welding mechanism is wound in pertusate tubular steel skeleton with hole pattern steel plate band or steel wire spiral, apply extrusion mechanism by the hole on the tubular steel skeleton within it outer surface melt extrude coated with adhesive, extrude the polymer continuity body of composite structure outer surface formation within it and cladding steel skeleton, sizing cooling forming mechanism is formed with hole tubular steel skeleton surfaces externally and internally with its cooling sizing and melt extrudes the steel-plastics composite pipe of coated with adhesive layer.Binding agent can adopt ethene and maleic anhydride or acrylic ester grafted copolymer, or is grafted with other copolymer of polar bond on ethene or propylene.And polymeric layer material is high density polyethylene (HDPE) or crosslinked polyethylene or polypropylene.
Apparatus of the present invention have solved the metallic framework of metallic skeleton reinforced composite plastic pipe and the interface affinity of polymer non-individual body is an adhesion problem.Adopted in the past and apply extrusion mechanism and mould coated with adhesive on the skeleton extruding the composition polymer non-individual body, and made the polymer non-individual body skeleton is compound for the steel-plastics composite pipe of hole skeleton is arranged by binding agent at pertusate steel.This composite pipe pressure-bearing ability height, anti-corrosion capability is strong, the heat resistance height, cost is low, and the scope of application is wide.
Description of drawings:
Fig. 1 is structural representation Fig. 1 of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is a moulding sizing welding mechanism, and binding agent is extruded to be coated with and is laminated with mechanism, extrudes the composite structure location drawing.
Fig. 4 is a structure chart 2 of the present invention.
Fig. 5 is a structure chart 3 of the present invention.
Fig. 6 is the vertical view of Fig. 5.
Fig. 7 is a structure chart 4 of the present invention.
Fig. 8 is that the steel wire spiral twines tubular steel skeleton moulding sizing welding mechanism schematic diagram among Fig. 7.
Fig. 9 extrudes for binding agent among Fig. 7 and applies mechanism's structural representation.
Figure 10 is the A-A cutaway view of Fig. 9.
Figure 11 is tubular welding supporting electrode structural representation.
Figure 12 is tubular welding supporting electrode and disk position Fig. 1.
Figure 13 is tubular welding supporting electrode and disk position Fig. 2.
Figure 14 is three phase mains and weldering wheel location Fig. 1.
Figure 15 is three phase mains and weldering wheel location Fig. 2.
Figure 16 is the moulding sizing welding mechanism structural representation of tubular steel skeleton.
Figure 17 is the broadwise reinforcing bar draw drum and the broadwise reinforcing bar spiral forming device location drawing among Figure 16.
Figure 18 is that the B of Figure 17 is to view.
Figure 19 is pressure welding wheel, welding conductor and reinforcement location figure.
Figure 20 applies mechanism's structural representation for extruding.
Figure 21 is a C-C cutaway view among Figure 20.
Figure 22 is the structural representation of cylindrical skeleton moulding sizing welding mechanism.
Figure 23 is adhesive coated extrusion mechanism and two inside and outside ELECTRODE WITH BILAYER POLYMERIC thing shaping mechanism locations drawing with independent forming cavity.
Figure 24 is two inside and outside ELECTRODE WITH BILAYER POLYMERIC thing builder structural representations that independent forming cavity is formed.
Figure 25 is contrive equipment structural representation Fig. 5.
Figure 26 is the vertical view of Figure 25.
Figure 27 is apparatus of the present invention structural representation Fig. 6.
Figure 28 is the vertical view of Figure 27.
Figure 29 is a steel skeleton spiral forming machine structural representation.
Figure 30 is an inside and outside ELECTRODE WITH BILAYER POLYMERIC thing extrusion molding mechanism structural representation.
Figure 31 twines tubular steel skeleton moulding welding mechanism structural representation for spiral.
Figure 32 is that the D of Figure 31 is to view.
The specific embodiment:
Embodiment 1:
Fig. 1～Fig. 3 has provided the embodiment of the invention 1 figure.Be provided with moulding sizing welding mechanism 1, binding agent by compound pipe molding technology precedence and extrude and apply mechanism 2, extrude composite structure 3, sizing cooling forming mechanism 4.
Referring to Fig. 3, the moulding sizing welding mechanism of tubular steel skeleton is by frame 5, the steel plate that can make hole with holes 6 that is contained on the frame vertically rolls into the former shaping mechanism 7 that cylindrical skeleton is made up of many composing type wheels, can be with the further accurate sizing tool sizing mechanism of forming by many groups sizing wheel 8 of shaping sizing of the cylindrical skeleton that is shaped, welding motor 9, cylindrical skeleton calibration sleeve 10 is formed.Binding agent is extruded to apply in the mechanism die sleeve 11, be positioned at the locating ring 12 of die sleeve, one end be fixed on the hollow core shaft 13 that has boss on the moulding sizing welding mechanism be through in the die sleeve with die sleeve form have make steel skeleton by and the radial center sizing of steel skeleton supported and to passing the skeleton hole and staying the bond vitrified agent blade coating on the skeleton surfaces externally and internally and keep the gluing shaping mold cavity 14 of the coated with adhesive of its design thickness function, the bond vitrified agent runner 15 that communicates with the gluing shaping mold cavity arranged on the die sleeve.Extruding has the die sleeve of containing sizing ring 16 in the composite structure 3, shaping mold cavity 17, and the die head 19 of the molten polymer passage 18 that is communicated with forming cavity 17, the hollow-core mould with positioning boss 20 that is positioned at die sleeve fuses with hollow core shaft 13.The interior cold cover 21 to the cooling of multiple tube inwall that vacuumizes that is communicated with core is arranged in hollow mould, and cooling medium and vacuum pipe are in communication with the outside by hollow-core construction.Sequence number 22 among Fig. 3 is a steel-plastics composite pipe.
Embodiment 2:
Fig. 4 has provided the embodiment of the invention 2 figure.Present embodiment 2 basic with embodiment 1 with, not existing together is that moulding sizing welding mechanism and binding agent are extruded the inter-agency cylindrical skeleton heater 23 that is provided with of coating.
Embodiment 3:
Fig. 5, Fig. 6 have provided the embodiment of the invention 3 figure.Present embodiment 3 basic with embodiment 1 with, not existing together is that binding agent is extruded the die sleeve that applies in the mechanism and gluing shaping mold cavity and die sleeve and the shaping mold cavity extruded in the composite structure are connected as a single entity.
Embodiment 4:
Fig. 7～Figure 10 has provided the embodiment of the invention 4 structural representations.Have the steel wire spiral to twine tubular steel skeleton moulding sizing welding mechanism 24 in the present embodiment, steel-wire carcass is extruded with binding agent and is applied mechanism 25, the sizing cooling forming mechanism 27 that extrudes composite structure 26 multiple tubes of extruded polymer.Moulding sizing welding mechanism 24 comprises frame 28, be positioned at the radially pay off rack 29 of frame front end, be loaded on the mandrel 31 that contains tubular supporting electrode 30 on the frame, sky is enclosed within and is subjected to motor drives wrapping wire rotating disk 32 on the mandrel, sky is enclosed within the pad that rotates 33 that is subjected to driven by motor on the mandrel, on the pad be with the mandrel symmetry axis and with the conducting ring relevant position on a pair of weldering wheel 39 that is connected with three phase mains 34 both positive and negative polarities is respectively arranged.Binding agent is extruded the groove 36 that has steel radially to pass through on the boss circumference that applies mechanism's hollow core mandrel 35.
Can be as Figure 11, the tubular welding supporting electrode 37 that can evenly dispose the warp-wise steel wire of uniform tension in order at circumference shown in Figure 12, be fixed with conducting ring 38 on it, be provided with broadwise steel wire drum and be connected with conducting ring and 39 rotating disk 32 is taken turns at least one butt welding of being communicated with conducting ring around its of tubular supporting electrode rotation.Broadwise reinforcing bar during the rotating disk rotation on its dish twines the radially reinforcing bar on the tubular supporting electrode by broadwise reinforcing bar guide wheel on the dish and weldering wheel, the source of welding current of connecting by conducting ring is communicated with the weldering wheel, the broadwise steel wire that weldering wheel is exerted pressure contact or cladded certain cornerite is when contacting with the winding power of steel radial, docking point sends welding current, and at this moment weldering wheel is exerted pressure to weld or leave certain distance to broadwise steel wire and warp-wise steel wire and only depended on the winding power of broadwise steel wire to weld.The welding current of at least one butt welding wheel is respectively positive and negative electrode as shown in figure 14, or the weldering wheel is a negative pole for anodal, tubular supporting electrode as shown in figure 15.
Figure 16～Figure 19 is the moulding sizing welding mechanism structural representation of tubular steel skeleton.Comprise frame 40, be contained in being subjected on the frame and twine the broadwise rotating disk 43 that the broadwise steel wire contains broadwise draw drum 42 on motor-operated hollow core shaft 41 that is beneficial to the traction moulding that tapering arranged in the front portion that is connected with support, promote the axially movable broadwise reinforcing bar of broadwise reinforcing bar spiral forming device 44, with the mandrel is that central shaft is along the radially draw drum 45, the anchor pad 46 that circumferentially are contained on the frame, be pressed in broadwise reinforcing bar and the welding electrode conductor 48 that is communicated with three phase mains 47 positive and negative electrodes on the reinforcing bar radially respectively, pressure welding wheel 49.Electric welding machine 50.Reinforcing bar pressure roller 51 is arranged on reinforcing bar.Cam 52 is arranged in the former.Extruding to apply in the die sleeve 53 shown in the mechanism steel skeleton locating ring 54 arranged as shown in figure 20.Be distributed with on the inner periphery of steel skeleton locating ring with radially reinforcing bar is the same number of and can pass through the radially groove 55 of reinforcing bar.Vacuum-pumping tube and the cooling tube 56 of the hollow core shaft of passing to interior sizing tube arranged in the hollow core shaft.Broadwise steel wire spiral on the helix former twines, the cam of the helically-wound shaped reinforcing bar axially-movable of the promoted broadwise of the rotation of being disposed on the former is constantly pushed the broadwise reinforcing bar to warp-wise reinforcing bar pressure welding wheel 49, when the warp-wise reinforcing bar under the pressure welding wheel contacted with the broadwise reinforcing bar, just producing the pressure type of being welded was pertusate tubular steel skeleton.When the warp-wise reinforcing bar contacts with the broadwise reinforcing bar, owing to the hauling machine of multiple tube process units to the traction of multiple tube and warp-wise reinforcing bar make draw back between the broadwise reinforcing bar certain distance form hole convenient the lip-deep binding agent of skeleton ectonexine to extrude extruding of coated and polymer compound.
Figure 22 has provided the structural representation of cylindrical skeleton moulding sizing welding mechanism.Comprise frame 57, be positioned at the hollow spindle 58 of the cylindrical skeleton that is used for the porose tube of screw winding moulding steel plate on the frame, be loaded on the interior roller 59 of sizing of the assurance cylindrical skeleton internal diameter on the main shaft, be contained in rotating disk 60 on the frame by bearing, be enclosed within the hole pattern steel plate band charging tray 61 that is connected with motor by transmission mechanism on the main shaft, cooperate volume to press the hole pattern strip to be shaped to the pressure roller 62 of cylindrical skeleton with interior roller, the cam 63 that cooperates the cylindrical skeleton axially-movable that is shaped with roller in the promotion of dial rotation with pressure roller, be contained on the rotating disk cross electricity ring 64 and with the brush 65 on the frame of being contained in of crossing that the electricity ring cooperates, electric welding machine 66 with the rotating disk rotation, by the roller 68 that roller support 67 is connected with rotating disk, roller 69 1 end is contained on the roller support.
Can adopt as Figure 23, inside and outside ELECTRODE WITH BILAYER POLYMERIC thing shown in Figure 24 and extrude composite structure 70.This mechanism comprises the runner 73 of extruding internal layer polymer on the cylindrical skeleton 72 of the fenestrated of coated with adhesive that is communicated with the extruder 71 of extruding internal layer polymer and the die head 75 that is positioned at the sizing ring 74 of die sleeve, the runner 77 of extruding outer layer copolymer on the cylindrical skeleton of compound internal layer polymer that the extruder 76 that comprises and extrude outer layer copolymer is communicated with is positioned at the die head 79 of the sizing ring 78 of die sleeve.Cylindrical skeleton is through extruding the steel-plastics composite pipe that has become to have inside and outside different performance and form polymeric layer behind the composite structure.
Embodiment 5:
Figure 25, Figure 26 have provided the embodiment of the invention 5 figure.Organic frame 81 in the moulding sizing welding mechanism 80 of tubular steel skeleton, be contained in the steel band pushers 82 that many folder rods to drive that the steel plate that makes hole with holes (band) on the frame pinched are formed, steel plate (band) spiral abutment joint circumnutated be the outer roller 83 and the electric welding machine 84 of many rotations of tubular along what cylindrical skeleton circumferentially distributed.Behind moulding sizing welding mechanism, be aligned in sequence with cutting machine 85 to the tubular steel skeleton cut-out of rotation, clamp binding agent and extrude the mandrel clamp mechanism that prevents the mandrel axial float 87,88 of the mandrel 86 that applies mechanism, many tubular steel skeletons 89 to being segmented into a section that pressure roller is formed by drive push the delivery device 90 that binding agent is extruded coating mechanism, binding agent is extruded and is applied mechanism 91, extruded polymer extrude composite structure 92, there are water, gas vacuumizing joint 94,95 in the sizing cooling forming mechanism 93 of multiple tube on the mandrel.Steel band has unreeling machine 96 before pushing machine 82.
Embodiment 6:
Figure 27, Figure 28 have provided the embodiment of the invention 6 figure.Organic frame 98, steel band pusher 99 in the moulding sizing welding mechanism 97 of tubular steel skeleton can make ribbon spiral curl to be the outer roller 100 of many rotations of the tube table of abutment joint formula, electric welding machine 101 along what cylindrical skeleton circumferentially distributed.It is to insert the interior steel skeleton with spiral forming of tubular steel skeleton to rotate that binding agent is extruded the hollow core shaft 103 that applies mechanism 102.The afterbody that mandrel is supported on the moulding sizing mechanism has the rotary jointing 104 that is connected with vacuum pipe with inner cooling medium.Binding agent extrude polymer arranged after applying mechanism successively extrude composite structure 105, the cooling forming mechanism 106 of multiple tube.
Figure 29 is the structural representation of steel skeleton spiral forming machine.Comprise and be subjected to motor-operated interior roller 107, outer roller 108, electric welding machine 109.
Figure 30 is an inside and outside ELECTRODE WITH BILAYER POLYMERIC thing extrusion molding mechanism structural representation.Comprise containing die sleeve 110, be positioned at sizing ring 111, the shaping mold cavity 112 of die sleeve, the die head 114 of the runner 113 that is communicated with the extruder of extruding internal layer polymer.Contain die sleeve 115, be positioned at the sizing ring 116 of die sleeve, the runner 117 that is communicated with the extruder of extruding the polymer of going out, the die head 119 of shaping mold cavity 118.The die sleeve and the shaping mold cavity of two die heads are connected as a single entity.Apply internal layer polymer respectively on the cylindrical skeleton 120 of the fenestrated of coated with adhesive, outer layer copolymer makes it to become the steel-plastics composite pipe 121 with inside and outside different performance and form polymeric layer.
Figure 31, the 32nd, spiral twine tubular steel skeleton moulding welding mechanism structural representation.Comprise frame 122, place the warp-wise pay off rack 123 on the frame, sky is enclosed within the motor-operated rotating disk 124 that is subjected on the frame of being contained on the mandrel, target 125, be contained in the weldering wheel 128 that the broadwise draw drum 126 on the rotating disk is connected with three phase mains 127, a utmost point of welding electrode 129 coexists on the rotating disk.As can be seen from the figure the broadwise reinforcing bar twines the warp-wise reinforcing bar and is welded as the tubular steel skeleton, and the weldering wheel of this structure is not pressed on the broadwise reinforcing bar, but produces welding pressure and make the contact point welding by the winding power of broadwise reinforcing bar to the warp-wise reinforcing bar.
Claims (17)
1, at the continuous process units of steel-plastics composite pipe that hole steel skeleton surfaces externally and internally coated with adhesive is arranged, comprise the moulding sizing welding mechanism that hole tubular steel skeleton is arranged that is arranged in order, the hole that passes the tubular steel skeleton within it, outer surface form the cladding steel skeleton the polymer non-individual body extrude composite structure, the sizing cooling forming mechanism of multiple tube, extrude the die head of the molten polymer passage that has at least one to contain shaping mold cavity in the composite structure and be communicated with shaping mold cavity, the hollow-core mould coaxial with shaping mold cavity, it is characterized in that extruding the hole that has before the composite structure by the tubular steel skeleton within it, outer surface melt extrudes the binding agent of coated with adhesive and extrudes coating mechanism, binding agent is extruded to apply in the mechanism die sleeve, one end passes die sleeve and the hollow core shaft that is communicated with hollow-core mould in extruding composite structure, form the gluing shaping mold cavity between mandrel and die sleeve, the bond vitrified agent runner that communicates with the gluing shaping mold cavity is arranged on the die sleeve, extruding has the interior cooling calibration sleeve to the cooling of multiple tube inwall that is communicated with core in the composite structure, cooling medium is in communication with the outside by hollow core shaft.
2, according to claim 1 at the continuous process units of steel-plastics composite pipe that hole steel skeleton surfaces externally and internally coated with adhesive is arranged, it is characterized in that binding agent is extruded on the die sleeve that applies mechanism is equipped with the steel skeleton sizing ring coaxial with mandrel, on the mandrel with steel skeleton sizing ring opposite position on by with steel skeleton sizing ring forms have steel skeleton by and to the warp-wise positioning supports of steel skeleton and to passing the steel skeleton hole and staying the inside and outside lip-deep bond vitrified agent blade coating of steel skeleton and stay it to design the gluing shaping membrane chamber of thickness.
3, according to claim 1 at the continuous process units of steel-plastics composite pipe that hole steel skeleton surfaces externally and internally coated with adhesive is arranged, it is characterized in that before binding agent is extruded coating mechanism the mandrel clamp mechanism being arranged, the hollow core shaft other end is fixed on moulding sizing welding mechanism or the mandrel clamp mechanism.
4, according to claim 1 or 2 or 3 described at the continuous process units of steel-plastics composite pipe that hole steel skeleton surfaces externally and internally coated with adhesive is arranged, it is fixed through being with the passage that vacuumizes that is in communication with the outside to it is characterized in that extruding the interior cooling to the cooling of multiple tube inwall that is communicated with core in the composite structure.
5,, it is characterized in that being positioned at moulding sizing welding mechanism and binding agent and extrude and apply the inter-agency heater that has along tubular steel skeleton circle distribution the heating of tubular steel skeleton according to claim 1 or 2 or 3 described at the continuous process units of steel-plastics composite pipe that hole steel skeleton surfaces externally and internally coated with adhesive is arranged.
6,, it is characterized in that binding agent is extruded die sleeve and the shaping mold cavity that applies in the mechanism and die sleeve and the shaping mold cavity of extruding in the composite structure is connected as a single entity according to claim 1 or 2 or 3 described at the continuous process units of steel-plastics composite pipe that hole steel skeleton surfaces externally and internally coated with adhesive is arranged.
7, according to claim 1 or 2 or 3 described at the continuous process units of steel-plastics composite pipe that hole steel skeleton surfaces externally and internally coated with adhesive is arranged, the die head that it is characterized in that extruding in the composite structure is two, molten polymer runner in one of them die head and shaping mold cavity extruded polymer and on the tubular steel skeleton, form polymer inner layer by the sizing ring set in the shaping mold cavity, molten polymer runner in another die head and shaping mold cavity extruded polymer and on the tubular steel skeleton, form polymeric outer layer by the sizing ring set in the shaping mold cavity.
8, according to claim 7 at the continuous process units of steel-plastics composite pipe that hole steel skeleton surfaces externally and internally coated with adhesive is arranged, it is characterized in that two shaping mold cavities in the die head fuse.
9, according to claim 1 or 2 or 3 described at the continuous process units of steel-plastics composite pipe that hole steel skeleton surfaces externally and internally coated with adhesive is arranged, the moulding sizing welding mechanism that it is characterized in that the tubular steel skeleton comprises frame, the steel plate that makes hole with holes that is loaded on the frame vertically rolls at least one composing type wheel of cylindrical skeleton and/or the former that becomes jacket to form, the shaping sizing tool that at least one group of sizing wheel and/or the calibration sleeve of the cylindrical skeleton shaping sizing that is shaped are formed is with the be welded electric welding machine of tubular steel skeleton of sizing cylindrical skeleton seam.
10, according to claim 1 or 2 or 3 described at the continuous process units of steel-plastics composite pipe that hole steel skeleton surfaces externally and internally coated with adhesive is arranged, it is characterized in that organic frame in the moulding sizing welding mechanism of tubular steel skeleton, be positioned at the warp-wise pay off rack of frame front end, be loaded on the mandrel that contains the tubular support electrode on the frame, sky is enclosed within the broadwise pay off rack on the mandrel, be subjected to motor-operated wire wrapping disk, sky is enclosed within the motor-operated rotating disk that rotates that is subjected on the mandrel, on the rotating disk be with the mandrel symmetry axis and with tubular support electrode opposite position at least one pair of weldering that is connected with power positive cathode respectively wheel is arranged.
11, according to claim 10 at the continuous process units of steel-plastics composite pipe that hole steel skeleton surfaces externally and internally coated with adhesive is arranged, it is characterized in that extruding the groove that has the warp-wise reinforcing bar to pass through on the mandrel boss circumference that applies mechanism.
12, according to claim 1 or 2 or 3 described at the continuous process units of steel-plastics composite pipe that hole steel skeleton surfaces externally and internally coated with adhesive is arranged, it is characterized in that organic frame in the moulding sizing mechanism of tubular steel skeleton, be contained in the motor-operated broadwise rotating disk that contains the broadwise draw drum that on mandrel, twines the broadwise reinforcing bar that is subjected on the frame, promote the cam or the broadwise reinforcing bar spiral forming device of the axially-movable of broadwise reinforcing bar, with the mandrel is that central shaft is along the warp-wise draw drum that circumferentially is contained on the frame, anchor pad is pressed in the pressure welding wheel on warp-wise reinforcing bar and the broadwise reinforcing bar and the electric welding machine of welding electrode conductor respectively.
13, according to claim 12 at the continuous process units of steel-plastics composite pipe that hole steel skeleton surfaces externally and internally coated with adhesive is arranged, it is characterized in that extruding on the die sleeve inner periphery that applies mechanism and be distributed with the groove that the warp-wise reinforcing bar is passed through.
14, according to claim 1 or 2 or 3 described at the continuous process units of steel-plastics composite pipe that hole steel skeleton surfaces externally and internally coated with adhesive is arranged, it is characterized in that organic frame in the moulding sizing welding mechanism, be positioned at the main shaft that screw winding forms the cylindrical skeleton of hole steel plate that is used on the frame, be loaded on the interior roller of the assurance cylindrical skeleton internal diameter on the main shaft, be contained in rotating disk on the frame by bearing, the roller that is connected with rotating disk, be enclosed within the hole pattern steel plate band charging tray that is connected with motor on the main shaft, cooperate volume to press the hole pattern strip to be shaped to the pressure roller of cylindrical skeleton with interior roller, the cam or the block that cooperate the cylindrical skeleton axially-movable that is shaped with roller in the promotion of dial rotation with pressure roller, be contained on the rotating disk cross the electricity ring and with the brush on the frame of being contained in of crossing that the electricity ring cooperates, the electric welding machine that rotates with rotating disk.
15, according to claim 1 or 2 or 3 described at the continuous process units of steel-plastics composite pipe that hole steel skeleton surfaces externally and internally coated with adhesive is arranged, it is characterized in that organic frame in the moulding sizing welding mechanism, be contained in the steel band that the nip rolls of at least one pair of drive that the steel plate band that makes hole with holes on the frame pinched forms and push machine, the butt joint of steel plate band spiral is curled be the outer roller of at least three rotations of tubular, electric welding machine along what cylindrical skeleton circumferentially distributed.
16, according to claim 1 or 2 or 3 described at the continuous process units of steel-plastics composite pipe that hole steel skeleton surfaces externally and internally coated with adhesive is arranged, it is characterized in that extruding coating mechanism forward position mandrel moving direction in bonding is disposed with the shut-off mechanism that tubular steel skeleton branch is cut to the tubular steel skeleton of a section fixed length, clamp binding agent and extrude the mandrel clamp mechanism that the mandrel that applies mechanism prevents the mandrel axial float, the tubular steel skeleton of being made up of at least one pair of pressure roller or the crawler belt of drive with the segmentation fixed length pushes into binding agent and extrudes the in-house delivery device of coating.
17, according to claim 1 or 2 or 3 described at the continuous process units of steel-plastics composite pipe that hole steel skeleton surfaces externally and internally coated with adhesive is arranged, it is characterized in that the mandrel that binding agent is extruded in the coating mechanism inserts the interior tubular steel skeleton rotation with spiral forming of tubular steel skeleton, the afterbody that is supported on the hollow core shaft on the moulding sizing welding mechanism has the rotary connector that is connected with vacuum pipe with inner cooling medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021279594A CN1181974C (en) | 2002-12-06 | 2002-12-06 | Continuous production equipment of steel-plastics composite pipe whose internal and external surfaces of holed steel skeleton are coated with adhesive |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021279594A CN1181974C (en) | 2002-12-06 | 2002-12-06 | Continuous production equipment of steel-plastics composite pipe whose internal and external surfaces of holed steel skeleton are coated with adhesive |
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| CN1411983A true CN1411983A (en) | 2003-04-23 |
| CN1181974C CN1181974C (en) | 2004-12-29 |
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| CNB021279594A Expired - Fee Related CN1181974C (en) | 2002-12-06 | 2002-12-06 | Continuous production equipment of steel-plastics composite pipe whose internal and external surfaces of holed steel skeleton are coated with adhesive |
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| CN103075582A (en) * | 2013-01-08 | 2013-05-01 | 浙江双林塑料机械有限公司 | Large-caliber steel-plate net riveting plastic composite pressure pipe and production method |
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| CN110215043A (en) * | 2019-05-24 | 2019-09-10 | 安徽裕佳铝塑科技有限公司 | A kind of lipstick is packed for the processing technology of aluminum plastic composite pipe |
| CN110215043B (en) * | 2019-05-24 | 2021-11-30 | 安徽裕佳铝塑科技有限公司 | Processing technology of aluminum-plastic composite pipe for lipstick packaging |
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| CN112406066A (en) * | 2020-10-30 | 2021-02-26 | 邓权塑业科技（湖南）有限公司 | Production process for controlling rigidity of Krah pipe ring |
| WO2023103110A1 (en) * | 2021-12-10 | 2023-06-15 | 公元股份有限公司 | Processing method for one-step forming of continuous fiber-reinforced composite pipe |
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| WO2023103106A1 (en) * | 2021-12-10 | 2023-06-15 | 公元股份有限公司 | Composite pipe production device |
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